John Perry Barlow is co-founder of the Electronic Frontier Foundation, and is currently a fellow at Harvard Law School's Berkman Center for Internet and Society.

Ram Dass, a.k.a. Richard Alpert is the author of eight books and the founder of the Hanuman and Seva Foundations. His 1971 classic Be Here Now was an international bestseller. 

Rick Doblin, Ph.D., is the President of the Multidisciplinary Association for Psychedelic Studies (MAPS)

Alex Grey is a visionary artist whose artwork has been exhibited worldwide. He is the author of the book Sacred Mirrors: The Visionary Art of Alex Grey, and The Mission of Art.

Lester Grinspoon, M.D., is an associate professor of psychiatry at Harvard Medical School. He is the editor of the Harvard Mental Health Letter, and author of the book Marijuana Reconsidered and co-author of Psychedelics Reconsidered.

Laura Archera Huxley is the founder of Children: Our Ultimate Investment, and an author of several books, among which are  You Are Not the Target, and This Timeless Moment: A Personal View of Aldous Huxley.

Ralph Metzner, Ph.D., is a psychotherapist and president of the Green Earth Foundation. His most recent book is Ayahuasca -- Hallucinogens, Consciousness and the Spirit of Nature.

Jonathan Ott is a natural products chemist and author. His books include Pharmacotheon, Ayahuasca Analogues, and Pharmacophilia or The Natural Paradises.

Dale Pendell is a poet, software engineer, and longtime student of ethnobotany. One of his recent books is Pharmako/poeia: Plant Powers, Poisons, and Herbcraft.

Sadie Plant, Ph.D., is a writer and cultural
theorist. Her recent books include Zeros + Ones: Digital Women and the New Technoculture and Writing on Drugs.

David Presti, Ph.D., teaches Neuroscience at the University of California, Berkeley, and worked for many years as a clinician in the treatment of drug abuse at the VA Medical Center in San Francisco.

Douglas Rushkoff
Douglas Rushkoff analyzes the way people, cultures, and institutions create, share, and influence each other's values. He is the author of eight best-selling books on new media and popular culture, including Cyberia, Media Virus, Playing the Future, Coercion: Why We Listen to What "They" Say, and the novels Ecstasy Club, and Exit Strategy.

Alexander T. Shulgin, Ph.D.
Chemist, researcher, and author, Dr. Shulgin has synthesized, and evaluated in himself, over 200 novel psychedelic substances. He has published numerous scientific papers on his discoveries, and with his wife, Ann, has authored the books PIHKAL and TIHKAL.

Myron Stolaroff, M.A.
Mr. Stolaroff is the author of the books The Secret Chief and Thanatos to Eros: 35 years of Psychedelic Exploration. He is on the Board of Directors of the Albert Hofmann Foundation, and is past-President of the International Foundation for Advanced Study (IFAS).

Thomas Szasz, M.D.
Dr. Szasz is professor emeritus of psychiatry at the State University of New York Health Science Center, Syracuse. He is the author of dozens of books, including Ideology and Insanity, The Myth of Mental Illness, and Our Right to Drugs.